/********************************************************************************
 * Copyright 2009 The Robotics Group, The Maersk Mc-Kinney Moller Institute,
 * Faculty of Engineering, University of Southern Denmark
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ********************************************************************************/

#include "MultipleFileIterator.hpp"
#include <memory>

using namespace rw::loaders;

MultipleFileIterator::MultipleFileIterator (std::shared_ptr< std::vector< char > > data,
                                            std::shared_ptr< PosToFileMap > filedata) :
    _filedata (filedata),
    _data (data), _pos (_data->begin ()), _filePos (0), _line (0), _index (0)
{
    // for(int i=0;i< _filedata->size();i++){
    //	std::cout << "index " << i << " data " << (*_filedata)[i].first <<
    //				 " file " << (*_filedata)[i].second.file << std::endl;
    //}
}

MultipleFileIterator& MultipleFileIterator::operator++ ()
{
    if (*_pos == '\n') {
        _line++;
    }
    ++_pos;
    _index++;
    return *this;
}

MultipleFileIterator& MultipleFileIterator::operator-- ()
{
    _index--;
    --_pos;
    if (*_pos == '\n') {
        _line--;
    }
    return *this;
}

MultipleFileIterator& MultipleFileIterator::operator= (const MultipleFileIterator& other)
{
    _filedata = other._filedata;
    _data     = other._data;
    _pos      = other._pos;
    _index    = other._index;
    _filePos  = other._filePos;
    _line     = other._line;
    return (*this);
}
